APA (7th ed.) Citation

Johnson, D. A., & Lund, C. H. (1967). Bulletin board displays for mathematics. Dickensen Publishing Comp.

Chicago Style (17th ed.) Citation

Johnson, Donovan A., and Charles H. Lund. Bulletin Board Displays for Mathematics. Dickensen Publishing Comp, 1967.

MLA (8th ed.) Citation

Johnson, Donovan A., and Charles H. Lund. Bulletin Board Displays for Mathematics. Dickensen Publishing Comp, 1967.

Warning: These citations may not always be 100% accurate.